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Related papers: Disk Wind Feedback from High-mass Protostars. V. A…

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The use of deep learning methods for modeling fluid flow has drawn a lot of attention in the past few years. In situations where conventional numerical approaches can be computationally expensive, these techniques have shown promise in…

The Atacama Large Millimeter/submillimeter Array (ALMA) revolutionised our understanding of protoplanetary discs. However, the available data have not given conclusive answers yet on the underlying disc evolution mechanisms (viscosity or…

Earth and Planetary Astrophysics · Physics 2023-04-26 Francesco Zagaria , Stefano Facchini , Anna Miotello , Carlo F. Manara , Claudia Toci , Cathie J. Clarke

We present \textbf{VADER} (Variational Autoencoder for Disks Embedded with Rings), for inferring both planet mass and global disk properties from high-resolution ALMA dust continuum images of protoplanetary disks (PPDs). VADER, a…

Earth and Planetary Astrophysics · Physics 2025-09-17 Sayed Shafaat Mahmud , Sayantan Auddy , Neal Turner , Jeffrey S. Bary

We introduce physics-informed multimodal autoencoders (PIMA) - a variational inference framework for discovering shared information in multimodal scientific datasets representative of high-throughput testing. Individual modalities are…

Machine Learning · Computer Science 2022-02-08 Nathaniel Trask , Carianne Martinez , Kookjin Lee , Brad Boyce

Magnetic fields play a crucial role in star formation, yet tracing them becomes particularly challenging, especially in the presence of outflow feedback in protostellar systems. We targeted the star-forming region L1551, notable for its…

Astrophysics of Galaxies · Physics 2024-03-26 Mingrui Liu , Yue Hu , Alex Lazarian

The efficient placement of wind turbines relies on accurate local wind speed forecasts. Climate projections provide valuable insight into long-term wind speed conditions, yet their spatial data resolution is typically insufficient for…

Applications · Statistics 2024-07-12 Luca Schmidt , Nicole Ludwig

Radio observations of low-mass star formation in molecular spectral lines have rapidly progressed since the advent of Atacama Large Millimeter/submillimeter Array (ALMA). A gas distribution and its kinematics within a few 100s au scale…

Instrumentation and Methods for Astrophysics · Physics 2022-09-28 Yoko Oya , Hirofumi Kibukawa , Shota Miyake , Satoshi Yamamoto

A full understanding of high-mass star formation requires the study of one of the most elusive components of the energy balance in the interstellar medium: magnetic fields. We report ALMA 1.2 mm, high-resolution (700 au) dust polarization…

Massive stars are extremely luminous and drive strong winds, blowing a large part of their matter into the galactic environment before they finally explode as a supernova. Quantitative knowledge of massive star feedback is required to…

Solar and Stellar Astrophysics · Physics 2016-10-12 Lidia M. Oskinova , Brankica Kubatova , Wolf-Rainer Hamann

Protostellar discs are mostly modelled as circular structures of gas and dust orbiting a protostar. However, a number of physical mechanisms, e.g. the presence of a (sub)stellar companion or initial axial asymmetry, can cause the gas and…

Earth and Planetary Astrophysics · Physics 2024-06-26 Enrico Ragusa , Elliot Lynch , Guillaume Laibe , Cristiano Longarini , Simone Ceppi

High-resolution SiO observations of the NGC 1333 IRAS 4A star-forming region showed a highly collimated outflow with a substantial deflection. The deflection was suggested to be caused by the interactions of the outflow and a dense cloud…

Astrophysics · Physics 2008-12-18 Chang Hyun Baek , Jongsoo Kim , Minho Choi

Multimodal learning has gained much success in recent years. However, current multimodal fusion methods adopt the attention mechanism of Transformers to implicitly learn the underlying correlation of multimodal features. As a result, the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Thanh-Dat Truong , Christophe Bobda , Nitin Agarwal , Khoa Luu

Outflows driven by large-scale magnetic fields likely play an important role in the evolution and dispersal of protoplanetary disks, and in setting the conditions for planet formation. We extend our 2-D axisymmetric non-ideal MHD model of…

Earth and Planetary Astrophysics · Physics 2020-07-01 Oliver Gressel , Jon P. Ramsey , Christian Brinch , Richard P. Nelson , Neal J. Turner , Simon Bruderer

We aim to develop a fundamental understanding of modality collapse, a recently observed empirical phenomenon wherein models trained for multimodal fusion tend to rely only on a subset of the modalities, ignoring the rest. We show that…

Machine Learning · Computer Science 2025-08-18 Abhra Chaudhuri , Anjan Dutta , Tu Bui , Serban Georgescu

Artificial intelligence techniques are considered an effective means to accelerate flow field simulations. However, current deep learning methods struggle to achieve generalization to flow field resolutions while ensuring computational…

Fluid Dynamics · Physics 2024-05-15 Kuijun Zuo , Zhengyin Ye , Linyang Zhu , Xianxu Yuan , Weiwei Zhang

The high luminosity of massive, early-type stars drives strong stellar winds through line scattering of the stars continuum radiation. Their momenta contribute substantially to the dynamics and energetics of the ambient interstellar medium…

Solar and Stellar Astrophysics · Physics 2024-06-24 Bharti Arora , Michael De Becker , Jeewan C. Pandey

Outflows play a pivotal role in star formation as one of its most visible markers and a means of transporting mass, momentum, and angular momentum from the infalling gas into the surrounding molecular cloud. Their wide reach (at least…

Solar and Stellar Astrophysics · Physics 2024-03-18 Shantanu Basu , Mahmoud Sharkawi , Masahiro N. Machida

Dark matter halos are typically defined as spheres that enclose some overdensity, but these sharp, somewhat arbitrary boundaries introduce non-physical artifacts such as backsplash halos, pseudo-evolution, and an incomplete accounting of…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-21 Ze'ev Vladimir , Calvin Osinga , Benedikt Diemer , Edgar M. Salazar , Eduardo Rozo

The combination of ALMA submillimeter and JWST/MIRI mid-infrared observations offers a transformative view of protostellar jets and outflows by probing cold and warm gas components across diverse physical conditions. We present a detailed…

Astrophysics of Galaxies · Physics 2025-09-16 Somnath Dutta

Computational fluid dynamics (CFD) simulations of complex fluid flows in energy systems are prohibitively expensive due to strong nonlinearities and multiscale-multiphysics interactions. In this work, we present a transformer-based modeling…

Fluid Dynamics · Physics 2026-04-06 Kiran Yalamanchi , Shivam Barwey , Ibrahim Jarrah , Pinaki Pal
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